Pigs are farmers' "canisters" and are "fertilizer factories" for agriculture. The six livestock pigs are the leaders. Raising pigs has a long history in China and is one of the major incomes of most peasant families. It is also a good way for farmers to get rich. With t.......
According to the survey, spot blight has occurred in some parts of the celery crops, and there are lesions on the celery leaves, petioles, and stems, which are serious. This is because the weather gradually cools after the fall and the air humidity is relatively high at night, which is suitabl.......
Nursery should pay attention to water temperature, water quality and feeding methods.
1. The water temperature should be maintained at about 30°C as much as possible after the temperature of the water reaches the holding pool or appliance.
2. Water quality To maintain freshness, w.......
1. The water temperature should be maintained at about 30°C as much as possible after the temperature of the water reaches the holding pool or appliance.
2. Water quality To maintain freshness, w.......
Potassium sulphate compound fertilizer is also known as sulfur-based NPK fertilizer. Unlike other compound fertilizers and compound fertilizers, sulfuric acid, potassium chloride, ammonium phosphate, and urea are used as the main raw materials and are chemically combined. Compared with compoun.......
First, fry holding and cultivation
The fry is raised and needs to be raised in the hatchery (cylinder) for 4 to 5 days. The rotifers can be fed after 2 to 3 days after the fish is released from the membrane. In this case, the rotifers should be fed with 180-200 mesh sieves in a timely.......
The fry is raised and needs to be raised in the hatchery (cylinder) for 4 to 5 days. The rotifers can be fed after 2 to 3 days after the fish is released from the membrane. In this case, the rotifers should be fed with 180-200 mesh sieves in a timely.......
1. Fertilization method
(1) Select a white-tailed pike with a mature age of 2+ as broodstock, and weigh between 700 and 1000 grams.
(2) Dry insemination is used. After insemination, talcum powder is used for detackification. When artificial insemination is performed, the fish.......
(1) Select a white-tailed pike with a mature age of 2+ as broodstock, and weigh between 700 and 1000 grams.
(2) Dry insemination is used. After insemination, talcum powder is used for detackification. When artificial insemination is performed, the fish.......
All relevant units:
Since April 29, 2000, the “Administrative Measures for Materials and Containers for Pharmaceutical Packaging†(Provisional) (Decree No. 21) has been implemented, and the product registration system has been implemented in China's pharmac.......
Material Pudding (A) 400ml milk, 500g honeydew melon, a little salt, 200g sugar, 1 tablespoon agar powder, 1/2 tablespoon instant gel powder (B) 80g custard powder, 100ml milk, 4 Egg yolk (C) 30 g butter (D) Honeydew melon balls Appropriate amount 800 ml water, 150 g sugar, 3 teaspoons agar po.......
鹌鹑 鹌鹑 alias 赤喉鹑, belongs to the vertebrate phylum Acanthidae. It is characterized by its fast growth, strong adaptability, resistance to roughage, early maturation, high egg production, low material consumption, and short growth cycle. It is a special ec.......
Fertility is different from fertility. Fertility is the nutrient content in the soil, that is, the ability to supply fertilizer. Soil fertility is the comprehensive cultivation ability of the soil, that is, the soil conditions suitable for the cultivation of solid, liquid and gas phases. It mu.......
Release date: 2006-09-27
The European medical imaging display market is growing rapidly The medical imaging display market is undergoing a dyna.......
During the cultivation season, Pleurotus eryngii belongs to medium-low temperature mushrooms. The optimum temperature of mycelia is 23-25°C. The optimum temperature for the mushroom is 12-18°C. The primordium is not present below 8°C, and it is easily deformed above 20°C. According.......